The 2.5mg pen is the introductory dose, taken for the first 4 weeks. It helps your body adjust to tirzepatide before moving to a therapeutic dose. Most people experience mild appetite suppression at this stage.

The average price for Mounjaro 2.5mg across 73 UK pharmacies is £165.58. The Family Chemist charges £139.99, which is 15% below the market average.

The Family Chemist discount codes

£5 offNew customers

£5 Off First Orders

FIRST5

View all discount codes →

Frequently asked questions

How much does Mounjaro 2.5mg cost at The Family Chemist?

Mounjaro 2.5mg at The Family Chemist costs £139.99 per 4-week supply as of March 2026.

Is The Family Chemist the cheapest for Mounjaro 2.5mg?

The Family Chemist is ranked #13 out of 73 pharmacies for Mounjaro 2.5mg. The cheapest is £122.81 at Cuva Health.

Does The Family Chemist include consultation and delivery for Mounjaro 2.5mg?

The Family Chemist does not include a consultation fee and does not include delivery in the £139.99 price.

Is The Family Chemist GPhC registered?

Yes, The Family Chemist is registered with the General Pharmaceutical Council (GPhC number: 9012318). You can verify this on the GPhC register.

Related comparisons

Compare all pharmacies for 2.5mg →The Family Chemist — all doses →Compare all Mounjaro prices →All discount codes →

Prices updated March 2026. Always confirm with the pharmacy before ordering.